import isArrayLike from './isArrayLike';
import callFn from './callFn';
/**
 * 遍历集合
 * @param {Array<any>|object} collection 集合
 * @param {Function} cb 回调方法
 */
export default function each (collection: Array<any>|object, cb: Function): void {
    if (!collection) {
        return;
    }
    let _isArray: boolean = isArrayLike(collection);
    if (_isArray) {
        for (let i: number = 0; i < (<Array<any>>collection).length; i++) {
            let _item = collection[i];
            let _res = callFn(cb, [_item, i, collection]);
            if (_res === false) {
                break;
            }
        }
    } else {
        for (let key in collection) {
            if (collection.hasOwnProperty(key)) {
                let _item = collection[key];
                let _res = callFn(cb, [_item, key, collection]);
                if (_res === false) {
                    break;
                }
            }
        }
    }
}